Table 1 Lattice parameters and cell volumes for Li2FeSiO4 and Mg1–xFeSiO4 during magnesium insertion and extraction
From: High energy density rechargeable magnesium battery using earth-abundant and non-toxic elements
Lattice | a (Å) | b (Å) | c (Å) | V (Å3) | |
|---|---|---|---|---|---|
*Li2FeSiO4 (as-prepared) | Monoclinic | 8.2433(4) | 5.0226(1) | 8.2373(3) | 336.31 |
*FeSiO4 (delithiated) | Orthorhombic | 10.3969(20) | 6.5618(16) | 5.0334(8) | 343.39 |
†Mg0.5FeSiO4 (magnesiated) | Orthorhombic | 10.2829(6) | 6.5767(5) | 5.0019(3) | 338.27 |
†MgFeSiO4 (magnesiated) | Orthorhombic | 10.2464(21) | 6.5038(12) | 4.9427(9) | 329.38 |
†Mg0.5FeSiO4 (demagnesiated) | Orthorhombic | 10.2526(7) | 6.5582(7) | 4.9985(3) | 335.42 |
*FeSiO4 (demagnesiated) | Orthorhombic | 10.3434(19) | 6.5779(13) | 5.0185(8) | 341.45 |